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20341488384 = 283272180179
BaseRepresentation
bin10010111100011100…
…100111101100000000
31221111122002200020200
4102330130213230000
5313124410112014
613202244405200
71320036540600
oct227434475400
957448080220
1020341488384
118699270328
123b383a6800
131bc2370879
14dad7b8c00
157e0c22a09
hex4bc727b00

20341488384 has 162 divisors, whose sum is σ = 68225337180. Its totient is φ = 5811821568.

The previous prime is 20341488379. The next prime is 20341488439. The reversal of 20341488384 is 48388414302.

It is a happy number.

It is a super-2 number, since 2×203414883842 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 22807 + ... + 202985.

Almost surely, 220341488384 is an apocalyptic number.

20341488384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20341488384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34112668590).

20341488384 is an abundant number, since it is smaller than the sum of its proper divisors (47883848796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20341488384 is a wasteful number, since it uses less digits than its factorization.

20341488384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180215 (or 180191 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 45.

The spelling of 20341488384 in words is "twenty billion, three hundred forty-one million, four hundred eighty-eight thousand, three hundred eighty-four".